content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.observable.internal.operators;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.Mockito.*;
  
  import org.junit.Test;
  
  import io.reactivex.observable.*;
  
  public class ObservableCastTest {
  
      @Test
      public void testCast() {
          Observable<?> source = Observable.just(1, 2);
          Observable<Integer> observable = source.cast(Integer.class);
  
          Observer<Integer> observer = TestHelper.mockObserver();
  
          observable.subscribe(observer);
  
          verify(observer, times(1)).onNext(1);
          verify(observer, times(1)).onNext(1);
          verify(observer, never()).onError(
                  any(Throwable.class));
          verify(observer, times(1)).onComplete();
      }
  
      @Test
      public void testCastWithWrongType() {
          Observable<?> source = Observable.just(1, 2);
          Observable<Boolean> observable = source.cast(Boolean.class);
  
          Observer<Boolean> observer = TestHelper.mockObserver();
  
          observable.subscribe(observer);
  
          verify(observer, times(1)).onError(
                  any(ClassCastException.class));
      }
  }
  